In a hasty panic, she instantly swallowed the pill herself. Here it comes, she thought to herself, Let's see what kind of mutant freak I turn into.
Jennifer was forced to watch as her clothes dissolved into her skin, leaving her naked for all to see. The things in her pockets (assuming she had anything) clattered harmlessly to the ground as her butt transformed into a second torso. Every part of her body except for her head and arms started to fatten as her front legs moved to the front of her expanding, flabby belly. Her breasts bloated to the size of overripe watermelons that rested upon the jiggling boulder her gut became. She could feel her butt cheeks and back legs' thighs swell with fat that gave her behind a beyond dumptruck figure. Her front legs similarly fattened up, and just beneath her bulging fupa she watched as a fat cock and balls formed between her front legs. Between her back legs she could feel her pussy swell and moisten, as well as feel a fat, hairless tail growing from her tailbone. The tail's tip had a sphincter that was pushing a large, yellowish egg out. By the time her tail was finished laying the egg, her transformation was complete. A new outfit formed around her body, consisting of a light yellow sundress that ended at her waist and did nothing to cover her genitals or tail, a spring green vest with pockets, two pairs of green sneakers with yellow socks, and a little silver tiara set with a diamond.
"Princess Jennifer Smith," she heard the voice of her first period teacher state, breaking her from her trance, "The bell rang a minute ago. I'm aware you were laying, but that's no excuse for you to get out of your classes. Just leave the egg with me and skedaddle, your highness."
"O-oh!" Jennifer blushed, grabbing her backpack and turning to leave, "Sorry, just... sorry." Her four legs, although laden with fat, were strong enough to carry her bloated form out of the room, and she found that she was a natural at walking like this. "Okay Jenny, let's review what just happened. We turned our mother into some kind of exaggerated bimbo, turned a girl's head into a huge foot, made another girl half-horse, and made ourselves... into this. Everything except our arms and head got massively fat, we now have four legs, a huge cock in front and a fat pussy in our huge behind, a tail that lays eggs for who knows what reason, and we refer to ourselves with a royal we. No, no, this is fine! This is totally fine! Looks like we're a princess now... for some reason. Besides that, every time someone takes one of our pills, reality seems to rewrite itself and only we seem to be aware of what's going on!"
Jennifer made it to her second class right as the bell rang and went over to her usual seat. Luckily she shared this class with two of her closest friends from cheer-leading, so hopefully they could get her back up to speed on things.
"Just in time, Jenny," Susan whispered, "Mr. Hardass would've had your head, princess or no princess, if you showed up late." Mr. Harding, or Mr. Hardass as everyone called him, had a zero tolerance policy when it came to tardiness, talking loudly in class, gum chewing, phone usage, and just about everything else, hence the nickname. "Were you laying another egg? You push those things out like, once an hour at least!"
"Do we?" Jennifer blushed, "We don't really keep track of when this lovely tail of ours pushes them out."
"No need to be modest, girl," Carmen shrugged, "It's no big deal. Kinda wish you'd brought it with you though. I could do with a perverted monster makeover, honestly. Shame they're temporary. I kinda like being a big titty cat girl with a monster cock."
Ah. So that's what the eggs do, Jennifer made a mental note, but I think I'm still gonna be hacking up pills regardless. Also I don't use a royal we in my thoughts... which I guess is convenient?
"I always get a sexy dragon girl form," Susan added apropos of nothing, "but you know that Mr. Hardass doesn't approve of that stuff. He only lets Jenny get away with it because she's a monster princess and she has to be half naked for monster princess reasons. Anyway..."
Mr. Harding's class was never the most fun, but learning and remembering all of her strange new body's quirks made it at least bearable. She sat by resting her belly/crotch/fupa on the ground, which she found rather comfortable. Her breasts could lactate on command, and her tail wagged similarly to a dog's. She even found herself reminiscing about all of the crazy sex she'd had with this strange body! Soon, another hour passed, and she'd coughed up another pill. What would she do with this one?